Add py2exe script (usage: python setup2exe.py py2exe)

Need to copy msvcm90.dll, msvcp90.dll and msvcr90.dll from redist to
C:\Python27\DLLs

http://www.py2exe.org/index.cgi/Tutorial
Add Python to Windows path:
http://docs.python.org/2/faq/windows
Printrun source dependencies:
Python 2.7 http://www.python.org/download/releases/2.7.6/
PySerial http://www.lfd.uci.edu/~gohlke/pythonlibs/#pyserial
PyReadLine https://pypi.python.org/pypi/pyreadline/2.0
WxPython http://wxpython.org/download.php#stable
Pyglet http://www.lfd.uci.edu/~gohlke/pythonlibs/#pyglet
NumPy http://www.lfd.uci.edu/~gohlke/pythonlibs/#numpy
PyCairo http://www.lfd.uci.edu/~gohlke/pythonlibs/#pycairo